package com.atguigu.gulimall.gulimallproduct.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * @author Lenovo
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.gulimallproduct.controller")
public class GulimallExceptionControllerAdvice {
	@ExceptionHandler(value = MethodArgumentNotValidException.class)
	public R handleValidException(MethodArgumentNotValidException e){
		log.error("数据校验失败:{},异常类型为:{}", e.getMessage(), e.getClass());
		BindingResult bindingResult = e.getBindingResult();

		Map<String, String> map = new HashMap<>();
		bindingResult.getFieldErrors().forEach((item)->{
			String field = item.getField();
			String message = item.getDefaultMessage();
			map.put(field, message);
		});
		return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMessage()).put("data", map);
	}

	@ExceptionHandler(value = Throwable.class)
	public R handleException(Throwable throwable){
		log.error("{}",throwable.getMessage());
		return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(), BizCodeEnum.UNKNOW_EXCEPTION.getMessage());
	}
}
